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Thread: Black African ancestry in Portugal1332 days old

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    Default Black African ancestry in Portugal

    Portugal is definetly the European country with most genetic contribution from black slaves. Check this interesting table:

    http://en.wikipedia.org/wiki/Portugu....29_per_region

    In the locality of Alcácer do Sal, Portugal, African lineages reach 28% of the population!!

    In the entire Portugal, African lineages are never below 3%, being more prevalent in Madeira (16.8%) and in the South (around 11%), where African slaves were mostly introduced.

    I dont know how that African impact influenced the Portuguese phenotype. In Lisbon I was surprised, because native Portuguese look "whiter" than I expected, but I did see some "Mulattoid" types, but I dont know if they were Portuguese: they could be Brazilians or Africans.

    I've never been to Madeira, but I saw some people from Madeira on television and some of them looked "suspect"
    Last edited by Ducheff; 2011-04-30 at 07:58.

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    Can you post pictures of people of Alcacer Do Sal? 28% SSA hard to believe .

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    Quote Originally Posted by rtudg87 View Post
    Can you post pictures of people of Alcacer Do Sal? 28% SSA hard to believe .
    I think he meant 28% of the people have some African in them.

    In the study Polako recently posted, it stated that Portugese have around 2-3% African in their DNA, with up to (and this is found in other studies) 12% 'North African' component, the SSA usually comes from this component I think, if you split it down this way. 12% 'North African' (best seen in Berber groups) would be made up of 30 (+/-10)% 'European', 50(+/-10)% West/South-West Asian and 20(+/-10)% SubSaharanAfrican. Which would mean between 1.2% and 3.6% SSA for a Portugese with 12% North African component in one of these studies, although I think they average about 10-11%. 1.2-3.6 is 2.4% on average, Which sounds about right.

    It would make sense.
    Last edited by timmay; 2011-04-30 at 11:49.

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    Quote Originally Posted by rtudg87 View Post
    Can you post pictures of people of Alcacer Do Sal? 28% SSA hard to believe .
    The study doesnt say that they have 28% of black admixture, but that 28% of the population have African MTdna or Y chromossome.

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    The 2% to 3% from that recent study and higher L may seem like a contradiction but it probably involves "watering down." What I mean by that is Mtdna doesn't necessarily have to match admixture found in autosomal tests.
    Last edited by Papa Anodyne; 2011-05-01 at 02:50.

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    Quote Originally Posted by Papa Anodyne View Post
    The 2% to 3% from that recent study and higher L may seem like a contradiction but it probably involves "watering down." What I mean by that is Mtdna doesn't necessarily have to match admixture found in autosomal tests.
    Yes, I dont know how African slavery had impact in the phenotype of some Portuguese. We would have to ask that to some Portuguese user, but since many people who join these forums are biased and would not say the truth, it's hard to know if there are native Portuguese who come out with visible Black admixture

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    Quote Originally Posted by Ducheff View Post
    Yes, I dont know how African slavery had impact in the phenotype of some Portuguese. We would have to ask that to some Portuguese user, but since many people who join these forums are biased and would not say the truth, it's hard to know if there are native Portuguese who come out with visible Black admixture
    I've only known one Portuguese who you could say clearly (in my opinion) had Negroid ancestry and I've known many Portugese and spent time in Portugal.

    I don't think it's all a consequence of the slave trade.

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    Quote Originally Posted by Papa Anodyne View Post
    I've only known one Portuguese who you could say clearly (in my opinion) had Negroid ancestry and I've known many Portugese and spent time in Portugal.

    I don't think it's all a consequence of the slave trade.
    Of what, then?

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    Quote Originally Posted by Ducheff View Post
    Of what, then?
    Aliens or Moors.

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    Quote Originally Posted by Papa Anodyne View Post
    Aliens or Moors.
    Some moors themselves had Black admixture, didnt they?

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